Journal of Guangdong University of Technology ›› 2021, Vol. 38 ›› Issue (04): 95-102.doi: 10.12052/gdutxb.200081

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Investigation on the Performance of a Two-Stage Traveling-Wave Thermoacoustic Engine by the Effect of Variable Diameter Tube

Lu Jian-bin1,2, Chen Yin1, Lin Zi-yuan2, Chen Bai-man2   

  1. 1. School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China;
    2. School of Chemical Engineering and Energy Technology, Dongguan University of Technology, Dongguan 523808, China
  • Received:2020-06-19 Online:2021-07-10 Published:2021-05-25

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Abstract: A numerical simulation of a two-stage traveling-wave thermoacoustic engine with reducers is investigated. The results showed that the variation of different inner diameter, length, and position of the reducer affect the temperature difference and output performance of heat exchanger between two thermoacoustic engines. When both thermoacoustic engines operate under the same constant power, the reducers affect the temperature difference and output performance of the system by adjusting the phase at different positions and inner diameters that result in low-temperature difference and high energy output.

Key words: reducer, two-stage thermoacoustic engine, loop

CLC Number: 

  • TK11+5
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